Nissan Leaf. Manual — part 656
HEADLAMP (HI) CIRCUIT
EXL-225
< DTC/CIRCUIT DIAGNOSIS >
[HALOGEN HEADLAMP]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
3.
CHECK HEADLAMP (HI) FUSE
1. Turn power switch OFF.
2. Check that the following fuses are not blown:
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-29, "Removal and Installation"
.
NO
>> GO TO 4.
4.
CHECK HEADLAMP HIGH (HI) SHORT CIRCUIT
1. Disconnect IPDM E/R connector.
2. Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace fuse. (Replace IPDM E/R if the fuse is blown again.)
NO
>> Replace the blown fuse after repairing the affected circuit.
5.
CHECK HEADLAMP (HI) GROUND OPEN CIRCUIT
1. Disconnect front combination lamp connector.
2. Check continuity between front combination lamp harness connector and ground.
Is the inspection result normal?
YES
>> Replace headlamp (HI) bulb.
NO
>> Repair or replace harness.
WITH DAYTIME RUNNING LIGHT SYSTEM
WITH DAYTIME RUNNING LIGHT SYSTEM : Component Function Check
INFOID:0000000010121447
1.
CHECK HEADLAMP (HI) OPERATION
CONSULT ACTIVE TEST
1. Select “EXTERNAL LAMPS” in “Active Test” of “IPDM E/R”.
2. While operating the test items, check that the headlamp (HI) is turned ON.
IPDM E/R
Front combination lamp
Continuity
Connector
Terminal
Connector
Terminal
RH
E15
49
E45
2
Yes
LH
50
E26
Unit
Location
Fuse No.
Capacity
Headlamp HI (RH)
IPDM E/R
51
10 A
Headlamp HI (LH)
52
IPDM E/R
Ground
Continuity
Connector
Terminal
RH
E15
49
No
LH
50
Front combination lamp
Ground
Continuity
Connector
Terminal
RH
E45
4
Yes
LH
E26
EXL-226
< DTC/CIRCUIT DIAGNOSIS >
[HALOGEN HEADLAMP]
HEADLAMP (HI) CIRCUIT
NOTE:
ON/OFF is repeated 1 second each.
Is the inspection result normal?
YES
>> Headlamp (HI) circuit is normal.
NO
>> Refer to
EXL-226, "WITH DAYTIME RUNNING LIGHT SYSTEM : Diagnosis Procedure"
WITH DAYTIME RUNNING LIGHT SYSTEM : Diagnosis Procedure
INFOID:0000000010121448
1.
CHECK HEADLAMP (HI) OUTPUT VOLTAGE
CONSULT ACTIVE TEST
1. Turn power switch OFF.
2. Disconnect headlamp high connector.
3. Turn power switch ON.
4. Select “EXTERNAL LAMPS” in “Active Test” of “IPDM E/R”.
5. While operating the test items, check voltage between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
CHECK HEADLAMP (HI) OPEN CIRCUIT
1. Turn power switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity between IPDM E/R harness connector and front combination lamp harness connector.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
3.
CHECK HEADLAMP (HI) FUSE
1. Turn power switch OFF.
2. Check that the following fuses are not blown:
Is the inspection result normal?
YES
>> Replace IPDM E/R.
NO
>> GO TO 4.
Hi
: Headlamp (HI) ON
Off
: Headlamp (HI) OFF
(+)
(
−)
Test item
Voltage
(Approx.)
IPDM E/R
Connector
Terminal
RH
E15
49
Ground
EXTERNAL
LAMPS
Hi
Battery voltage
Off
0 V
LH
50
Hi
Battery voltage
Off
0 V
IPDM E/R
Front combination lamp
Continuity
Connector
Terminal
Connector
Terminal
RH
E15
49
E45
2
Yes
LH
50
E26
Unit
Location
Fuse No.
Capacity
Headlamp HI (RH)
IPDM E/R
51
10 A
Headlamp HI (LH)
52
HEADLAMP (HI) CIRCUIT
EXL-227
< DTC/CIRCUIT DIAGNOSIS >
[HALOGEN HEADLAMP]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
4.
CHECK HEADLAMP (HI) SHORT CIRCUIT
1. Disconnect IPDM E/R connector. Refer to
PCS-29, "Removal and Installation"
2. Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace fuse. (Replace IPDM E/R if the fuse is blown again.)
NO
>> Replace the blown fuse after repairing the affected circuit.
5.
CHECK ILLUMINATION STATUS OF HEADLAMPS
Check illumination status of headlamps.
Which headlamp does not turn ON?
RH
>> GO TO 6.
LH
>> GO TO 9.
6.
CHECK HEADLAMP HI (RH) GROUND OPEN CIRCUIT-1
1. Remove daytime running light relay.
2. Check continuity between daytime running light relay harness connector and front combination lamp RH
harness connector.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace harness.
7.
CHECK HEADLAMP HI (RH) GROUND OPEN CIRCUIT-2
Check continuity between daytime running light relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair or replace harness.
8.
CHECK HEADLAMP HI (RH) DAYTIME RUNNING LIGHT RELAY CIRCUIT
Check continuity between terminal 3 - 4 of daytime running light relay.
Is the inspection result normal?
YES
>> Replace headlamp (HI) bulb. (Bulb socket is abnormal.)
NO
>> Replace daytime running light relay.
9.
CHECK HEADLAMP HI (LH) GROUND OPEN CIRCUIT
Check continuity between front combination lamp LH harness connector and ground.
IPDM E/R
Ground
Continuity
Connector
Terminal
RH
E15
49
No
LH
50
Daytime running light relay
Front combination lamp RH
Continuity
Connector
Terminal
Connector
Terminal
E76
3
E45
4
Yes
Daytime running light relay
Ground
Continuity
Connector
Terminal
E76
4
Yes
Daytime running light relay
Continuity
Terminal
3 - 4
Yes
EXL-228
< DTC/CIRCUIT DIAGNOSIS >
[HALOGEN HEADLAMP]
HEADLAMP (HI) CIRCUIT
Is the inspection result normal?
YES
>> Replace headlamp (HI) bulb. (Bulb socket is abnormal.)
NO
>> Repair or replace harness.
Front combination lamp LH
Ground
Continuity
Connector
Terminal
E26
4
Yes
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